<?php
/**
 *Title:
 *<br/>By: 18161043652 2022/12/11 5:34
 */


namespace app\api\controller;

use app\common\controller\Api;
use app\common\library\Ems;
use app\common\library\Sms;
use fast\Random;
use think\Config;
use think\Db;
use think\Validate;

/**
 * 会员接口
 */
class Wxbackmoney extends Api{

    protected $noNeedLogin = [];
    protected $noNeedRight = '*';


    //证书须放在public 下面
    protected $mchid='1646053133';
    protected $appid='wx764d114e140b42b5';
    protected $apiKey='Ww6TrGYFopeCJ3h7RL1EPBkSN2lzaZcQ';
    public $data = null;


    /**
     * 退款
     * @param float $totalFee 订单金额 单位元
     * @param float $refundFee 退款金额 单位元
     * @param string $refundNo 退款单号
     * @param string $wxOrderNo 微信订单号
     * @param string $orderNo 商户订单号
     * @return string
     */
    public function doRefund() {

        $user=$this->auth->getUserinfo();
        $id=$this->request->param('oid');
        $money=$this->request->param('money');
        $desc=$this->request->param('desc');

        $order=Db::name('order')->where(['id'=>$id])->find();

        $pay=Db::name('payorder')->where(['oid'=>$id])->where(['status'=>1])->where(['types'=>0])->find();

        $totalFee=$order['money'];
        $refundFee=$money;
        $wxOrderNo=$pay['nonce_str'];

        $refundNo='';

        $config = array(
            'mch_id' => $this->mchid,
            'appid' => $this->appid,
            'key' => $this->apiKey,
        );

        $unified = array(
            'appid' => $config['appid'],
            'mch_id' => $config['mch_id'],//
            'nonce_str' => self::createNonceStr(),
            'total_fee' => intval($totalFee * 100), //订单金额  单位 转为分
            'refund_fee' => intval($refundFee * 100), //退款金额 单位 转为分
            'sign_type' => 'MD5', //签名类型 支持HMAC-SHA256和MD5，默认为MD5
            'transaction_id' => '', //微信订单号
            'out_trade_no' => $wxOrderNo, //商户订单号
            'out_refund_no' => uniqid(), //商户退款单号
            'refund_desc' => $desc, //退款原因（选填）

        );



        $unified['sign'] = self::getSign($unified, $config['key']);

        $xml=self::arrayToXml($unified);

        $responseXml = $this->curlPost('https://api.mch.weixin.qq.com/secapi/pay/refund',$xml);


        $unifiedOrder = simplexml_load_string($responseXml, 'SimpleXMLElement', LIBXML_NOCDATA);



        $jsonStr = json_encode($unifiedOrder);
        $jsonArray = json_decode($jsonStr,true);



        if ($jsonArray['result_code']=='SUCCESS'){

            Db::name('order')->where(['id'=>$id])->update(['status'=>5,'backmoney'=>$money,'adddesc'=>$desc]);


            addorderlog($user['id'],$user['nickname'],$id,'订单退款'.$desc);

            $this->success($jsonArray['return_msg']);
        }else{

            $this->error($jsonArray['err_code_des']);
        }


    }

    public static function curlGet($url = '', $options = array()) {
        $ch = curl_init($url);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($ch, CURLOPT_TIMEOUT, 30);
        if (!empty($options)) {
            curl_setopt_array($ch, $options);
        }
        //https请求 不验证证书和host
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
        $data = curl_exec($ch);
        curl_close($ch);
        return $data;
    }

    public function curlPost($url = '', $postData = '', $options = array()) {

        if (is_array($postData)) {
            $postData = http_build_query($postData);
        }


        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($ch, CURLOPT_POST, 1);
        curl_setopt($ch, CURLOPT_POSTFIELDS, $postData);
        curl_setopt($ch, CURLOPT_TIMEOUT, 30); //设置cURL允许执行的最长秒数
        if (!empty($options)) {
            curl_setopt_array($ch, $options);
        }
        //https请求 不验证证书和host
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
        //第一种方法，cert 与 key 分别属于两个.pem文件

        //默认格式为PEM，可以注释
        curl_setopt($ch, CURLOPT_SSLCERTTYPE, 'PEM');
        curl_setopt($ch, CURLOPT_SSLCERT, './apiclient_cert.pem');//绝对路径
        //默认格式为PEM，可以注释
        curl_setopt($ch, CURLOPT_SSLKEYTYPE, 'PEM');
        curl_setopt($ch, CURLOPT_SSLKEY, './apiclient_key.pem');//绝对路径

        $data = curl_exec($ch);


        return $data;

    }

    public static function createNonceStr($length = 16) {
        $chars = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789';
        $str = '';
        for ($i = 0; $i < $length; $i++) {
            $str .= substr($chars, mt_rand(0, strlen($chars) - 1), 1);
        }
        return $str;
    }

    public function arrayToXml($arr) {
        $xml = "<xml>";
        foreach ($arr as $key => $val) {
            if (is_numeric($val)) {
                $xml .= "<" . $key . ">" . $val . "</" . $key . ">";
            } else {
                $xml .= "<" . $key . "><![CDATA[" . $val . "]]></" . $key . ">";
            }
        }
        $xml .= "</xml>";
        return $xml;
    }

    public static function xmlToArray($xml) {
        $array_data = json_decode(json_encode(simplexml_load_string($xml, 'SimpleXMLElement', LIBXML_NOCDATA)), true);
        return $array_data;
    }

    public static function getSign($params, $key) {
        ksort($params, SORT_STRING);
        $unSignParaString = self::formatQueryParaMap($params, false);
        $signStr = strtoupper(md5($unSignParaString . "&key=" . $key));
        return $signStr;
    }

    protected static function formatQueryParaMap($paraMap, $urlEncode = false) {
        $buff = "";
        ksort($paraMap);
        foreach ($paraMap as $k => $v) {
            if (null != $v && "null" != $v) {
                if ($urlEncode) {
                    $v = urlencode($v);
                }
                $buff .= $k . "=" . $v . "&";
            }
        }
        $reqPar = '';
        if (strlen($buff) > 0) {
            $reqPar = substr($buff, 0, strlen($buff) - 1);
        }
        return $reqPar;
    }

    // xml转成数组
    static function xmlstr_to_array($xmlstr)
    {
        //禁止引用外部xml实体
        libxml_disable_entity_loader(true);

        $xmlstring = simplexml_load_string($xmlstr, 'SimpleXMLElement', LIBXML_NOCDATA);
        $val = json_decode(json_encode($xmlstring), true);
        return $val;
    }


}